company profile 2010 09_sutelco web
TRANSCRIPT
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MY-Semi
MY-Semi Inc.
MY-Semi Inc.3F., No. 138, Chenggong 3rd Rd.,
Zhubei City, Hsinchu County 30264, Taiwan
Tel: +886-3-6585656 Fax: +886-3-6585252
www.my-semi.com.tw
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Company Briefing
Business Focus Mixed Signal (Analog & Digital) LED Driver Design
Headquarters Hsinchu, Taiwan
Capital US$1,250,000 (Jan. 2010)
Patents 15 patents under MY-Semi trade mark
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Global Network
Taiwan Headquarter
S. Korea
China
Russia
Brazil
Turkey
Italy
UK
Spain
Germany
S. Africa
U.S.A
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Our Vision
Mission
To provide the competitive cost/performance driver/controller for the
LED display, lighting and backlight markets.
Vision
Innovation, Quality, Best-service : An outstanding IC supplier to
provide excellent products for customers.
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CertificateStrategic Partner
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Production Competitiveness
Strategic Alliance (ISO14001,TS16949)– Fabrication : TSMC Group (World No.1 Wafer-
outsourcing factory).– Packaging : Taiwan IC Packaging
Corporation 、 Chant World Technology.– Testing : Panther Technology 、 Chant World
Technology Inventory Support
– Customized Safety Inventory– Stable In-time Delivery with Rolling Forecast
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MY-Semi Product
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LED Panel Driver IC Design Capability
Uniformity: Bit-Bit 0.7%, Chip-Chip 0.9% (typ.) Output Voltage (<0.1uA leakage): 17V Fast Output Current Response (<50ns) 16 Bit PWM Resolution Real-time error detection (LED Open/Short, Short to
Ground/ Power, Leakage detection) Global Current Control (8bit) Stagger Output (EMI reduction) Power saving option (Sleep mode, 0-data mode) 0.1uA Thermal Protection
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LED Decorating Driver IC Design Capability
2-wire EMI reduction data transmission
Clock Duty Cycle Recovery & Pulse Re-timing
Output Current Bilateral Processing (EMI reduction)
Long Cascading @ High Speed
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MY-Semi
High Accuracy Pure Driver IC
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MY9161 16ch High Accuracy Constant Current LED Driver
16 channels output 3~5.5V supply voltage 55mA (5V), 30mA(3.3V) max. Bit-Bit skew 0.7%, Chip-Chip 0.9% (typ.) Output voltage regulation 0.1% Output voltage (<0.1uA leakage): 17V Enable pulse width: 50ns @25mA 25MHz data/clock rate Stagger output: 8/8 channels (16ns@5V)
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MY9182/ 91428/24ch 256 steps GCC Constant Current LED Driver
8/24 channels output 3~5.5V supply voltage 55mA (5V), 30mA(3.3V) max. Bit-Bit skew 1%, Chip-Chip 1.5% (typ.) Output voltage regulation 0.1% Output voltage (<0.1uA leakage): 17V 256 steps Global Current Control 25MHz data/clock rate Stagger output: 4/4 channels (16ns@5V)
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MY91848ch High Accuracy Constant Current LED Driver
8 channels output 3~5.5V supply voltage 3~120mA current output range Bit-Bit skew 1.5%, Chip-Chip 3% (typ.) Output voltage regulation 0.1% Output voltage (<0.1uA leakage): 17V 25MHz data/clock rate Power on reset Stagger output: 4/4 channels (16ns@5V)
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MY-Semi
Perfect Harmony PWM Driver IC
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MY926216ch 6bits GCC Constant Current LED Driver
16 channels output 3~5.5V supply voltage 45mA (5V), 30mA(3.3V) max. Bit-Bit skew 1%, Chip-Chip 1.5% (typ.) Output voltage regulation 0.1% Output voltage (<0.1uA leakage): 17V 16 bits Grayscale Resolution 64 steps Global Current Control 30MHz data/clock rate Sleep Mode Stagger output
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MY-Semi
Green Power Driver IC
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MY91838ch Error Detection & Power Saving LED Driver
8 channels output 3~5.5V supply voltage 3~120mA constant current output range Compulsory LED Open/ Short Detection/ Short
to GND/ Power/ Port Detection Real-Time Open/ Short Detection Fast Error Detection 80ns Sleep Mode/ 0-data Mode 0.1uA 256 steps Global Current Control
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MY916316ch Error Detection & Power Saving LED Driver
16 channels output 3~5.5V supply voltage 90mA (5V), 70mA(3.3V) max. Compulsory LED Open/ Short Detection/ Short
to GND/ Power/ Port Detection Real-Time Open/ Short Detection Fast Error Detection 80ns Sleep Mode/ 0-data Mode 0.1uA 256 steps Global Current Control
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LED Open / Port Open
Port Open
VLED
VOUT
Driver IC
LED Open
VLED
VOUT
Driver IC
Real-Time Detection:
1. Send Image Data ‘1’
2. Port turned on
3. If Vout < 0.3V then Open Circuit
4. Error bit ‘0’ loaded into shift register
Compulsory Detection:
1. Port turned on with 0.1mA
2. If Vout < 0.3V then Open Circuit
3. Error bit ‘0’ loaded into shift register
Port Open
VLED
VOUT
Driver IC
LED Open
VLED
VOUT
Driver IC
Port Open
VLED
VOUT
Driver IC
LED Open
VLED
VOUT
Driver IC
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LED Short / Port Short to Vdd/Vled
LED Short
VLED
VOUT
Driver IC
Real-Time Detection:
1. Set the threshold voltage for Short detection
2. Send Image Data ‘1’
3. Port turned on
4. If Vout > threshold voltage then Short Circuit
5. Error bit ‘0’ loaded into shift register
Compulsory Detection:
1. Port turned on with 0.1mA
2. If Vout > threshold voltage then Short Circuit
3. Error bit ‘0’ loaded into shift register
Port Short to VDD/VLED
VLED
VOUT
Driver IC
VDD/VLED
VDD
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Port short to GroundPort Leakage
Port Short to Ground / Leakage
VLED
VOUT
Driver IC
GND
Compulsory Detection:
1. Port turned off
2. If Vout < 0.3V then Short Circuit
3. Error bit ‘0’ loaded into shift register
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LED Smart Detection
Compulsory Detection:
1. Port turned on with 0.1mA
2. If Vout < 0.3V then Open Circuit or If Vout > threshold voltage then Short Circuit
3. Error bit ‘0’ loaded into shift registerPort Open or Port
Short to VDD/VLED
VLED
VOUT
Driver IC
VDD
LED Open/Short
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Power SavingSleep Mode
Compulsory Detection:
1. Send Compulsory Sleep Mode procedure
2. IC enters Sleep => Idd 0.1uA
3. Data transfer is alive
4. Wake up from next data latched
VDD
Idd = 5mA
VDD
Idd 0.1 uA
Sleep Mode
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Power Saving0-Data Mode
1. Set Command to Active 0-Data Mode
2. As all 0’s data is received
3. IC enters Sleep => Idd < 0.1uA
4. Data transfer is alive
5. Wake up from next non-zero data latched
VDD
Idd = 5mA
VDD
Idd 0.1uA
0-Data Mode
0,0,…,0
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0-data Mode
NormalNormal
0-data Mode0-data Mode
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Versatile Decorating Driver IC
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MY922112ch Constant Current LED Driver with Grayscale Control
(R/G/B)*4 channels output 3~5.5V supply voltage 60mA (5V), 35mA(3.3V) max. Bit-Bit skew 1%, Chip-Chip 3% (typ.) Output voltage regulation 0.1% Output voltage (<0.1uA leakage): 17V 16/14/12/8 Bits APDM capability (>1000Hz refresh rate)
patent pending 2-wire10MHz EMI reduction data transmission (equal to 20MHz traditional SPI transmission) patent pending Clock duty recovery Output current Tr/Tf programmable (EMI reduction)
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MY9231/ 92913/4ch Constant Current LED Driver
with Grayscale Control
3/4 (RGB/RGBW) channels output 3~5.5V supply voltage 350mA (max.) Bit-Bit skew 1.5%, Chip-Chip 3% (typ.) Output voltage regulation 0.1% Output voltage (<0.1uA leakage): 17V 16/14/12/8 Bits APDM capability (>1000Hz refresh rate)
patent pending 2-wire10MHz EMI reduction data transmission (equal to 20MHz traditional SPI transmission) patent pending Clock duty recovery
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MY-Semi Inc. http://www.my-semi.com.tw Tel: +886-3-6585656 Fax: +886-3-6585252 Add: 3F., No.138, Chenggong 3rd Rd., Zhubei City, Hsinchu County 30264,Taiwan Email: [email protected]
Thank You !
Contact Information :
Your LED Driver Solution Partner !